81000143

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{541}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 94334016

約数和(自身を除く): 13333873

約数列:

[1, 7, 73, 293, 511, 541, 2051, 3787, 21389, 39493, 149723, 158513, 276451, 1109591, 11571449, 81000143]

約数ペア:

[(1, 81000143), (7, 11571449), (73, 1109591), (293, 276451), (511, 158513), (541, 149723), (2051, 39493), (3787, 21389)]